Try to find the spot where the photographer was standing.
At least two of the aircraft in the photo above are still in operation with Buffalo Airways.
The Dakota (C-47/DC-3) closest to the camera, RCAF KG-713 (12946), is currently owned and operated by Buffalo Airways as C-GJKM (c/n 13580).
Here is a recent photo by Flickr user James Paveley :
The Dakota behind it, RCAF KG-330 (12913), is currently owned and operated as C-GWZS (c/n 12327) by Buffalo Airways.
Here is a recent photo by Flickr member Andy (ewgu):
That's really something! These things were clearly made to last.